How to make a working model of railway signal using electromagnet
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Things required
Iron nail, straw, battery, paperclip, two piece of playwood. A pencil and a length of a copper wire. Fix the pieces of paper wood which should be prependicular. Push the nail fix the stare on the wood board. Wind a copper wire on the pencil. Make a hollow coil. Now create a circuit with the paper clip. When the cicuit is cimplete it will be compelled inside the coil because of magnetic field
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Explanation:
Things required Iron nail, straw, battery, paperclip, two piece of playwood. A pencil and a length of a copper wire. Fix the pieces of paper wood which should be prependicular. Push the nail fix the stare on the wood board. Wind a copper wire on the pencil. Make a hollow coil. Now create a circuit with the paper clip. When the cicuit is cimplete it will be compelled inside the coil because of magnetic field
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